R1:e7195628d5a0

Use correct transaction types when creating diffs

Summary: See T10214 for context. These transaction types are obviously wrong as far as I can tell.

Test Plan:
Created a revision and didn't see an error in the daemon log.

```lang=php
<?php

require_once dirname(__FILE__).'/phabricator/scripts/__init_script__.php';

$yelirekim = (new PhabricatorPeopleQuery)
->setViewer(PhabricatorUser::getOmnipotentUser())
->withUsernames(['yelirekim'])
->executeOne();

$raw_diff = (new…